040000 tree 3cfafec4d637b452aebbe61d022cfeb9518256d1	assign
040000 tree 22ff6389cd41a46d1a9c573ec9ffddd66ef64490	cons
040000 tree 52925bb52f44645a9aba1b1010e3e0d7eeb53514	open
100644 blob 732c78c48a85a3ac283f00f22f32ba1023f43f88	pthread2.cc
040000 tree b030e5b44e84e48f0327127cae51690e7e0169af	rdbuf
040000 tree 74d1779317fa51837dfc11915e17db12f5990350	requirements